MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 94a55907591211a457315f3b73162da7bbd3f94d231d23e05d5fca4e158cfb64. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


Formbook


Vendor detections: 15


Intelligence 15 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 94a55907591211a457315f3b73162da7bbd3f94d231d23e05d5fca4e158cfb64
SHA3-384 hash: ec8f56e440a90fee6620530c1af876d4569539f9b52a815aeae89eeb57046d31c0905a5ea0ba788f75fdbb6c24fdbee6
SHA1 hash: e225ec55fedce6d06c7200cf857f4b34ec76eb2e
MD5 hash: d1cb08c578ebba4762907afc327ead95
humanhash: monkey-victor-carolina-magnesium
File name:ORDER 4783F.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:673'280 bytes
First seen:2022-05-31 07:29:23 UTC
Last seen:2022-05-31 09:08:07 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:+LEuHeD0GZFFnGQBExX+zhC9avnNIb76pH2xuDX85xfeq60JjUyvhes:+LEuNc8gNIf6jo5xfeq6yv
TLSH T1E2E402631247CA11C1D55ABC51A0E3EC437CAF629A17B38D985F71A1C9B2E4B1B4CCEB
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon f0f0f2b2e834b498 (29 x AgentTesla, 12 x AveMariaRAT, 8 x RedLineStealer)
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
268
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
ORDER 4783F.exe
Verdict:
Malicious activity
Analysis date:
2022-05-31 07:33:09 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/23cace73-42c1-4a33-8d84-5f8e2c5df71f

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/275650/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.1353.25008.15090.UNOFFICIAL
Create hunting rule

Win.Packed.Pwsx-9950977-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
Creating a process from a recently created file
Creating a process with a hidden window
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed update.exe
Link:
https://www.filescan.io/uploads/6295c413054dcf0eca090d92/reports/f3bf2d18-6948-4dfc-bc76-87697843d21b/overview
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d8dd89cf-ac9b-41c2-99da-259548d0e4b8
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1004013
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd or bat file
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 636504 Sample: ORDER 4783F.exe Startdate: 31/05/2022 Architecture: WINDOWS Score: 100 45 www.aquata.icu 2->45 57 Snort IDS alert for network traffic 2->57 59 Found malware configuration 2->59 61 Malicious sample detected (through community Yara rule) 2->61 63 13 other signatures 2->63 11 ORDER 4783F.exe 7 2->11         started        signatures3 process4 file5 39 C:\Users\user\AppData\Roaming\dYYbao.exe, PE32 11->39 dropped 41 C:\Users\user\AppData\Local\Temp\tmpD01.tmp, XML 11->41 dropped 43 C:\Users\user\AppData\...\ORDER 4783F.exe.log, ASCII 11->43 dropped 67 Adds a directory exclusion to Windows Defender 11->67 69 Injects a PE file into a foreign processes 11->69 15 ORDER 4783F.exe 11->15         started        18 powershell.exe 25 11->18         started        20 schtasks.exe 1 11->20         started        22 ORDER 4783F.exe 11->22         started        signatures6 process7 signatures8 71 Modifies the context of a thread in another process (thread injection) 15->71 73 Maps a DLL or memory area into another process 15->73 75 Sample uses process hollowing technique 15->75 77 Queues an APC in another process (thread injection) 15->77 24 explorer.exe 15->24 injected 28 conhost.exe 18->28         started        30 conhost.exe 20->30         started        process9 dnsIp10 47 www.4lkh1.icu 160.124.17.218, 49778, 80 POWERLINE-AS-APPOWERLINEDATACENTERHK South Africa 24->47 65 System process connects to network (likely due to code injection or exploit) 24->65 32 msdt.exe 24->32         started        signatures11 process12 signatures13 49 Self deletion via cmd or bat file 32->49 51 Modifies the context of a thread in another process (thread injection) 32->51 53 Maps a DLL or memory area into another process 32->53 55 Tries to detect virtualization through RDTSC time measurements 32->55 35 cmd.exe 1 32->35         started        process14 process15 37 conhost.exe 35->37         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/94a55907591211a457315f3b73162da7bbd3f94d231d23e05d5fca4e158cfb64/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-05-26 13:02:47 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
17 of 26 (65.38%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=sssvsb2zcii2ivzrl45xgfrnu655h6knemoshyc5l7fe4fmm7nsa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:s0w6 rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220531-jbtjzsafe7/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Deletes itself
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
1b88ec07e7a1bc2c9413e31fca6a15931e1bff65c7e296ad187c3104dd4fac30
MD5 hash:
49d653596027e9fcb0364237bc656096
SHA1 hash:
50ad71926c6266a6c6a5541aea118f3d04c1d41b
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/2d06003c-270f-4dcc-877b-14c52bf886b8/
Parent samples :
b4a65b2daf7061d116c2bdd500a40376e170efea89a6b0cb4c68d63606a8e107
d5c2e24b2a27a822fd7a2611be1ed64daa804eab1819546030141407e28e941b
94a55907591211a457315f3b73162da7bbd3f94d231d23e05d5fca4e158cfb64
SH256 hash:
d6ed2259c448da6c4b440332c7d0fc695de1752df91129a294efde6f8ef81a49
MD5 hash:
5142bd422e7b9e11f278b725a3f901e1
SHA1 hash:
9d9c8e13455fa2105e6f323b32368241135584a5
Link:
https://www.unpac.me/results/2d06003c-270f-4dcc-877b-14c52bf886b8/
SH256 hash:
0283941f1f7ae72f88bb3044addc3f4274549c3fd771612ec3df95c80b708c9e
MD5 hash:
abcf7824b477074db7ac154a80d1e329
SHA1 hash:
9c6982829bff318776560846de7bcc39d3c16f7f
Link:
https://www.unpac.me/results/2d06003c-270f-4dcc-877b-14c52bf886b8/
SH256 hash:
c720d8d87e5744ef459c160ae3ae85984519c5cee89d4acd3d4156f929ebcca2
MD5 hash:
86f922d84e1b89f646bc23cb3d878a9c
SHA1 hash:
b61f4401c1a144d704988cf4e55dd9a71f8d8263
Link:
https://www.unpac.me/results/2d06003c-270f-4dcc-877b-14c52bf886b8/
SH256 hash:
941fd42484844fb1d124f0ffe449641a50b228484a6db3c5d4f1d18f8b866cce
MD5 hash:
fb09f860e21384650d2c9be6da1636a6
SHA1 hash:
0dfa164bf5f28b968ebf92de0da30557fb1cb5b9
Link:
https://www.unpac.me/results/2d06003c-270f-4dcc-877b-14c52bf886b8/
SH256 hash:
94a55907591211a457315f3b73162da7bbd3f94d231d23e05d5fca4e158cfb64
MD5 hash:
d1cb08c578ebba4762907afc327ead95
SHA1 hash:
e225ec55fedce6d06c7200cf857f4b34ec76eb2e
Link:
https://www.unpac.me/results/2d06003c-270f-4dcc-877b-14c52bf886b8/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/94a55907591211a457315f3b73162da7bbd3f94d231d23e05d5fca4e158cfb64

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Formbook

Executable exe 94a55907591211a457315f3b73162da7bbd3f94d231d23e05d5fca4e158cfb64

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/275650/

Comments